Every Marvin Window and Door is made to order, one at a time. An unparalleled value in the market, Marvin offers craftsman-quality construction, energy-efficient technology and the industry’s most extensive selection of shapes, styles, sizes and options.

Integrity's windows and doors are made with Ultrex® Fiberglass, an innovative material created 20 years ago. For two decades now, Ultrex has outlasted and outperformed the competition on virtually every measurable scale.

Infinity Ultrex fiberglass replacement windows and patio doors are designed to replicate the look of traditional wood windows while providing modern features and low-maintenance, yet long-lasting performance.

When you partner with Marvin on your next project—whether that be a remodel, replacement, new construction, or even the creation of sustainable building—you can be sure you will be getting the guidance and expertise necessary to make any design complete. Tell us a few things about your project, and Marvin will work with local dealers to bring your ideas to life.

We gathered some helpful resources to help answer your immediate questions and provide solutions. From manuals to maintenance, and installation instructions to energy data, there’s a wealth of information right here.

Need Some Extra Help?

We gathered some helpful resources to help answer your immediate questions and provide solutions. From manuals to maintenance, and installation instructions to energy data, there’s a wealth of information right here.

Design-Savvy Kitchen Remodeling On the RiseCalFinder Blog
“We’ve noticed a huge trend among homeowners lately—that design-savvy kitchen remodeling is on the rise. Whether they’re taking to the web for self-taught strategy, or consulting with budget-smart designers and kitchen contractors before construction begins, homeowners are increasingly involved in the design process. … Some of the trends that we have seen—and loved—include these three design styles.”

15 Posts on Decluttering and Organizing Your HomeRe-Nest
“What’s a better way to start off a new year than to to organize, declutter and simplify your home? Whether you’re looking to live with less or are simply rethinking your space, check out these tips to kick off an organized and clutter-free new year!”

Best of 2011: Before & AfterCentsational Girl
Whether it’s decorating or painting or organizing or anything else related to making a house look like an elegant, comfortable home, this woman knows what she’s doing. Get some ideas from her round-up of some favorite projects from the past year.

20 Green Building Innovations of 2011Jetson Green
“Our team had the great opportunity to report on hundreds of green building innovations in the form of new technologies and advanced materials. We see these innovations as contributors to a world where it’s important to reduce waste and resource consumption. I hope you enjoy this unordered review gathered from our archives of the last year.”

Why Window Replacement is Cheaper Than You ThinkCalFinder Blog
“If your home’s heating isn’t running as efficiently as you’d like it to this winter, then you might consider window replacement. Inefficient windows can leak a huge percentage of heat from your home—as much as 30%—and cost you a lot of money every month. … But the idea of window replacement may seem daunting, complicated and expensive. The good news is that you can avoid all of those words by going through the window replacement process intelligently.”